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All results from a given calculation for CHOOCHO (diformyl ether)

using model chemistry: wB97X-D/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/6-31G
 hartrees
Energy at 0K-302.850441
Energy at 298.15K 
HF Energy-302.850441
Nuclear repulsion energy157.146046
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at wB97X-D/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3097 3097 81.47 124.28 0.28 0.43
2 A1 1867 1867 26.81 23.65 0.17 0.29
3 A1 1480 1480 0.17 2.31 0.27 0.43
4 A1 1095 1095 111.74 6.99 0.23 0.37
5 A1 530 530 1.01 11.02 0.40 0.58
6 A1 259 259 14.16 0.94 0.60 0.75
7 A2 1032 1032 0.00 2.92 0.75 0.86
8 A2 156 156 0.00 0.95 0.75 0.86
9 B1 1042 1042 0.02 2.84 0.75 0.86
10 B1 131 131 1.88 0.08 0.75 0.86
11 B2 3083 3083 0.96 5.15 0.75 0.86
12 B2 1784 1784 615.87 2.88 0.75 0.86
13 B2 1430 1430 3.26 13.13 0.75 0.86
14 B2 1094 1094 656.20 1.73 0.75 0.86
15 B2 692 692 47.50 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9386.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9386.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at wB97X-D/6-31G
ABC
1.58214 0.08356 0.07937

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.364
C2 0.000 1.206 -0.332
C3 0.000 -1.206 -0.332
O4 0.000 2.267 0.245
O5 0.000 -2.267 0.245
H6 0.000 1.087 -1.422
H7 0.000 -1.087 -1.422

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7
O11.39221.39222.27062.27062.09112.0911
C21.39222.41131.20853.52081.09642.5389
C31.39222.41133.52081.20852.53891.0964
O42.27061.20853.52084.53492.04243.7462
O52.27063.52081.20854.53493.74622.0424
H62.09111.09642.53892.04243.74622.1748
H72.09112.53891.09643.74622.04242.1748

picture of diformyl ether state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 121.475 O1 C2 H6 113.809
O1 C3 O5 121.475 C2 O1 C3 119.995
O4 C2 H6 124.716
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.457      
2 C 0.393      
3 C 0.393      
4 O -0.337      
5 O -0.337      
6 H 0.172      
7 H 0.172      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -4.081 4.081
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.362 0.000 0.000
y 0.000 -39.832 0.000
z 0.000 0.000 -26.132
Traceless
 xyz
x 6.620 0.000 0.000
y 0.000 -13.585 0.000
z 0.000 0.000 6.965
Polar
3z2-r213.930
x2-y213.470
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.873 0.000 0.000
y 0.000 7.157 0.000
z 0.000 0.000 3.588


<r2> (average value of r2) Å2
<r2> 128.681
(<r2>)1/2 11.344